Change the Animation Speed of Hiding & Displaying the Mac OS X Dock

Automatically hiding the Dock is one of the more useful features you can enable if you work on a Mac with limited screen space. That experience can be improved by removing the auto-hide delay from the Dock in OS X, which reduces the delay from when a mouse is hovered near the Dock to when it’s displayed, but now we’ll show you how to speed up or remove the slide-in and slide-out Dock hide and show animation itself.

Remove Dock Animation Completely

First up, removing the Dock animation completely, this makes an auto-hiding Dock snap into place immediately. Launch the Terminal and use the following defaults write command: